Heap-Based Buffer Overflow in NetSupport Manager by NetSupport
CVE-2025-34164

8.8HIGH

Key Information:

Vendor

Netsupport Ltd.

Status
Netsupport Manager
Vendor
CVE Published:
29 August 2025

What is CVE-2025-34164?

A heap-based buffer overflow has been identified in NetSupport Manager versions 14.x before 14.12.0000. This vulnerability could allow a remote, unauthenticated attacker to trigger a denial of service or, in certain scenarios, execute arbitrary code on affected systems. Immediate action is recommended to mitigate potential risks associated with this vulnerability.

Affected Version(s)

NetSupport Manager 14.x < 14.12.0000

References

https://www.netsupportmanager.com/
product
https://www.vulncheck.com/advisories/netsupport-client-ma...
third-party-advisory

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fabian Weber of CODE WHITE
.
CVE-2025-34164 : Heap-Based Buffer Overflow in NetSupport Manager by NetSupport